Does MATLAB qr function employ the SuiteSparseQR (multifrontal multithreaded sparse QR factorization) in SuiteSparse ?

조회 수: 4 (최근 30일)
I am using the function [Q,R,P] = qr(A,0) to have a rank-revealing qr factorization of sparse matrix A. I am wondering if MATLAB by default employs spqr within SuiteSparse. Furthermore, when A is not full rank, I get zero diagonals in R, how would I employ this property of R to deduce the rank of A.
Thank you !!!

답변 (0개)

카테고리

Help CenterFile Exchange에서 Mathematics에 대해 자세히 알아보기

제품

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!

Translated by